OPEN University of Sri Lanka <br/><br/>
Practical guide for basic electro-magnetism and guild line of prepairing practic 

 - Nugegoda  Open University  1995 
 - 60 p. 
<br/><br/><label>ISBN: </label>184639 
<br/><br/><label>Dewey Class. No.: </label>535.14  / OPE